Unless Parkinson's Law has been repealed, demand for any "finite" resource (such as central storage) will continue to outstrip supply. Also, the Law of Unintended Consequences seems also to be in full force and effect.
Vacation Notice: None Tom Puddicombe Mainframe Performance & Capacity Planning CSC 31 Brookdale Rd, Meriden, CT 06450 ITIS | (860) 428-3252 | [email protected] | www.csc.com This is a PRIVATE message. If you are not the intended recipient, please delete without copying and kindly advise us by e-mail of the mistake in delivery. NOTE: Regardless of content, this e-mail shall not operate to bind CSC to any order or other contract unless pursuant to explicit written agreement or government initiative expressly permitting the use of e-mail for such purpose. From: Mark Zelden <[email protected]> To: [email protected] Date: 05/02/2013 10:47 AM Subject: Re: Performance gains with LFAREA ? Sent by: IBM Mainframe Discussion List <[email protected]> On Thu, 2 May 2013 10:30:09 -0400, Thomas H Puddicombe <[email protected]> wrote: >I suspect that any real performance gains will happen with the EC12 >processor equipped with flash memory as a paging device. > >Vacation Notice: None > >Tom Puddicombe >Mainframe Performance & Capacity Planning >CSC The zEC12 allows large pages to be paged to flash. While that may lessen the need for the total amount of real storage, how can it be better performing than fixed 1M pages that are the only option for large pages prior to the zEC12 with flash? Mark -- Mark Zelden - Zelden Consulting Services - z/OS, OS/390 and MVS mailto:[email protected] Mark's MVS Utilities: http://www.mzelden.com/mvsutil.html Systems Programming expert at http://expertanswercenter.techtarget.com/ ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN
